Machine Design The angle of twist of shaft is Inversely proportional to (shaft diameter)⁴ Directly proportional to (shaft diameter)² Inversely proportional to (shaft diameter)² Directly proportional to (shaft diameter)⁴ Inversely proportional to (shaft diameter)⁴ Directly proportional to (shaft diameter)² Inversely proportional to (shaft diameter)² Directly proportional to (shaft diameter)⁴ ANSWER DOWNLOAD EXAMIANS APP
Machine Design Stress concentration in static loading is more serious in Depends on other factors Equally serious in both cases Ductile materials Brittle materials Depends on other factors Equally serious in both cases Ductile materials Brittle materials ANSWER DOWNLOAD EXAMIANS APP
Machine Design Multiple threads are used to secure High load lifting capacity Low efficiency High efficiency High mechanical advantage High load lifting capacity Low efficiency High efficiency High mechanical advantage ANSWER DOWNLOAD EXAMIANS APP
Machine Design The cam follower extensively used in aircraft engines is Knife edge follower Flat faced follower Roller follower Spherical faced follower Knife edge follower Flat faced follower Roller follower Spherical faced follower ANSWER DOWNLOAD EXAMIANS APP
Machine Design Pick up wrong statement. Fatigue strength can be increased by Hot working Shot peening Grinding and lapping surface Cold working Hot working Shot peening Grinding and lapping surface Cold working ANSWER DOWNLOAD EXAMIANS APP
Machine Design A shaft is subjected to a maximum bending stress of 80 N/mm² and maximum shearing stress equal to 30 N/mm² at a particular section. If the yield point in tension of the material is 280 N/mm² and the maximum shear stress theory of failure is used, then the factor of safety obtained will be 2.8 3.0 2.5 3.5 2.8 3.0 2.5 3.5 ANSWER DOWNLOAD EXAMIANS APP
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